operate a small web site on Cloud server powered by CentOS Linux v6.4. I would like to encrypt my site’s information and create a more secure connection. How do I create a self-signed SSL certificate on Nginx for CentOS/Fedora or Red Hat Enterprise Linux based server?
know how to cange a passphrase for openssh using ssh-keygen command
. How do I change a GPG encryption key’s passphrase on Linux or Unix like operating systems? How do I change the passphrase of the secret key using gpg?
y cloud based backup service provider has ssh access to the backup system. How do I install and configure duplicity software for remote backups in incremental and encrypted format on Debian or Ubuntu Linux based desktop / laptop / server?
oogle Chrome/Chromium, Firefox and Opera browser support SPDY networking protocol. It enables faster browsing on supported sites. SPDY is similar to HTTP, with particular goals to reduce web page load latency and improve web security. SPDY achieves reduced latency through compression, multiplexing, and prioritization. How do I enable nginx SPDY support running on Debian or Ubuntu Linux server?
I‘ve downloaded open source software from the Internet. The download server also provided me the PGP signature file. How do I verify that signature (file.tar.gz.asc) file against downloaded software release (software.version.tar.gz) under Linux / UNIX operating systems?